@import url(../../reset.css);

header{
    height: 80px;
    box-shadow: 0px 0px 3px 0px;
    
    #hea{
        width: 1180px;
        height: 80px;
        margin: 0 auto;
        display: flex;
        justify-content:space-between;
        align-items: center;
        img{
            width: 178px;
            height: 52px;
        }
        .hea2{
            
            display: flex;
            align-items: center;
            font-size: 14px;
            p{  
                padding: 0px 26px;
                display: inline;
            }
            li{
                height: 80px;
                p{  
                    padding: 0px 26px;
                    display: inline;
                    height: 80px;
                    line-height: 80px;
                   
                }
            }
            // 因为和引入的index.css冲突，所以单独新增li（1）
            li:nth-child(1){
               
                background: #ffffff;
                
            }
            li:nth-child(2){
               
                background: #80c4ae;
                
            }
             
        
        }
        .hea3{
            display: flex;
            justify-content: space-between;
            width: 380px;
            margin-right: 5px;
            
            border-radius: 3px;
            .hea3q{
                width: 280px;
                height: 34px;
                border: 1px solid #80c4ae;
                border-radius: 3px;
                display: flex;
                input:nth-child(1){
                    padding-left: 12px;
                    width: 56px;
                    color: #80c4ae;
                    background: url(../img1/userSet/ico2.gif)no-repeat;
                    background-position: 48px;
                    border-right: 1px solid #80c4ae;
                }
                input:nth-child(2){
                    width: 188px;
                    padding-left: 12px;
                    background: url(../img1/public/search.png)no-repeat;
                    background-size: 18px;
                    background-position:right ;
                }
            }
               p{
                   span:nth-child(2){
                       color: #80c4ae;
                   }
               } 
            
            
        }
    }
}
// 间隔
.ge{
    height: 60px;
    background: rgba(242, 242, 242, .5);
    .ge1{
        width: 1180px;
        margin: 0 auto;
        span{
            line-height: 60px;
            margin-right: 15px;
        }
    }
}
.ge1{
    height: 20px;
    background: rgba(242, 242, 242, .5);
}
// 视频及简介区域
#video{
    width: 1180px;
    height: 580px;
    margin: 0 auto;
    display: flex;
    justify-content: start;
    .vid{
        width: 860px;
        height: 580px;
        background-color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        box-shadow: 1px 1px 2px 1px #80c4ae;
        .video{
            width: 820px;
            height: 540px;
           
            }
    }
    .details{
        width: 320px;
        height: 580px;
        background-color: rgba(55, 55, 55, 0);
        .math{
            margin-top: 56px;
            margin-left: 37px;
            margin-bottom: 140px;
            .te{
                font-size: 20px;
                margin-bottom: 20px;
            }
            li{
                font-size: 12px;
                line-height: 30px;
                span{
                    color: #f66;
                }
            }
        }
        // jiage
        .jiage{
            margin-left: 37px;
            span{
                color: #80c4ae;
            }
            .jiaget{
                width: 260px;
                height: 48px;
                display: flex;
                span:nth-child(1){
                    font-size: 29px;
                    line-height: 44px;
                }   
               .xue{
                    width: 126px;
                    height: 44px;
                    line-height: 44px;
                    text-align: center;
                    margin-left: 42px;
                    display: block;
                    border: 2px solid #80c4ae;
                    border-radius: 2px;
                }  
            }
            .jiageb{
                margin-top: 10px;
                border-radius: 2px;
                width: 260px;
                height: 48px;
                background-color: #80c4ae;
                line-height: 48px;
                display: flex;
                justify-content: space-evenly;
                span{
                    color: white;
                }
            }
        }
        
    }
}
// 老师介绍
#teacher{
    width:1180px ;
    height: 156px;
    margin: 0 auto;
    box-shadow: 1px 1px 1px 1px #80c4ae;
    .tea1{
        height: 68px;
        line-height: 68px;
        font-size: 18px;
    }
    
        .teaf{
            width: 1180px;
            margin: 0 auto;
            display: flex;
            justify-content: space-evenly; 
            .teafl{
                width: 214px;
                display: flex;
                justify-content: start;
                .img{
                    margin-right: 20px;
                    img{
                        width: 68px;
                        height: 68px;
                    }
                }
                .teaflp{
                    height: 68px;
                    line-height: 34px;
                }
            }
            
        }
        .tear{
            width: 858px;
            font-size: 16px;
        }
        .team{
            width: 1px;
            height: 58px;
            border-left: 1px solid #80c4ae;
        }
    
    
}
// 大纲分类，目录，详情
.dagang{
    width: 1180px;
    margin: 0 auto;
    height: 66px;
    display: flex;
    justify-content: center;
    .dag{
       display: flex;
       margin: 0 auto;
       .dag1{
           width: 80px;
           height: 66px;
           line-height: 66px;
           text-align: center;
           color: white;
           background-color: #80c4ae;
       }
    //    .dag1:hover{
    //     background-color: #80c4ae;
    //    }
       .dag2{
        width: 80px;
        height: 66px;
        line-height: 66px;
        text-align: center;
        color: black;
        // background-color: #80c4ae;
        }
        // .dag2:hover{
        //     background-color: #80c4ae;
        //    }
      
    }
}
//datu
.dai{
    width: 1180px;
    margin: 0 auto;
    display: none;
}
// 课程分类
.detail{
    width: 1180px;
    margin: 0 auto;
    padding: 0 22px;
    // background-color: yellow;
    h3 {
        height:50px;
        line-height: 50px;
      
        span{
            float: right;
            width: 30px;
            vertical-align: middle;
            height: 30px;
            background: url("../img1/userSet/ico2.gif")no-repeat;
            background-position: center;
            transform: rotate(0deg);
            
        }
      
    }
    .active{
        // background: royalblue;
        color: white;
        background-color: rgba(65, 105, 225, .3);
       
    }
    ol{
        li{width: 1180px;
            display: flex;
            justify-content: space-between;
            height: 40px;
            line-height: 40px;
           .li1{
               display: flex;
            img{
                position: relative;
                top: 15px;
                transform: rotate(-180deg);
                width: 10px;
                height: 10px;
            }
            span{
                line-height: 40px;
            }
           }
               p{
                   margin-right: 10px;
              
               }
            .bo1{
                margin-right: 10px;
                margin-top: 5px;
                line-height: 30px;
                text-align: center;
                width: 60px;
                height: 30px;
                border: 1px solid #74c6b3;
                color: #74c6b3;
                border-radius: 3px;
                display: none;
            }
            
        }
    }
}
//quabuzhankai
.zhan{
    width: 100%;
    height: 160px;
    text-align: center;
    line-height: 160px;
    font-size: 21px;
    color: #74c6b3;
    text-decoration: underline;
    background-color: #fafafa;

}

// 最后黑色大块部分
footer{
    width: 100%;
    height: 262px;
    background-color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    p{
        margin: 0 auto;
        line-height: 23px;
        font-size: 12px;
        color: white;
        text-align: center;
    }
}
